Faceted crack initiation characteristics for high-cycle and very-high-cycle fatigue of a titanium alloy under different stress ratios
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- 作者：Xiaolong Liu ; Chengqi Sun ; Youshi Hong ; hongys@imech.ac.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Ti&ndash ; 6Al&ndash ; 4V alloy ; Faceted crack initiation ; Very-high-cycle fatigue ; Stress ratio ; Cluster of primary α grains
- 刊名：International Journal of Fatigue
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：92
- 期：part_P2
- 页码：434-441
- 全文大小：2579 K
文摘
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Prevalence of faceted crack initiation in HCF and VHCF of Ti–6Al–4V alloy.
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Single-site faceted crack initiation at R = −0.1 and 0.1, and multi-site at R = 0.5.
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Growth of isolated facets to form a coalesced crack then becoming a main crack.
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Faceted crack mode competition described by Poisson defect distribution model.
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